/**
  ******************************************************************************
  * File Name          : SPI.c
  * Description        : This file provides code for the configuration
  *                      of the SPI instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under Ultimate Liberty license
  * SLA0044, the "License"; You may not use this file except in compliance with
  * the License. You may obtain a copy of the License at:
  *                             www.st.com/SLA0044
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "spi.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

SPI_HandleTypeDef hspi1;
DMA_HandleTypeDef hdma_spi1_tx;

/* SPI1 init function */
void MX_SPI1_Init(void)
{

    hspi1.Instance = SPI1;
    hspi1.Init.Mode = SPI_MODE_MASTER;
    hspi1.Init.Direction = SPI_DIRECTION_2LINES;
    hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
    hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
    hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
    hspi1.Init.NSS = SPI_NSS_SOFT;
    hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
    hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
    hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
    hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
    hspi1.Init.CRCPolynomial = 7;
    hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
    hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;

    if (HAL_SPI_Init(&hspi1) != HAL_OK)
    {
        Error_Handler();
    }

}

void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
{

    GPIO_InitTypeDef GPIO_InitStruct = {0};

    if(spiHandle->Instance == SPI1)
    {
        /* USER CODE BEGIN SPI1_MspInit 0 */

        /* USER CODE END SPI1_MspInit 0 */
        /* SPI1 clock enable */
        __HAL_RCC_SPI1_CLK_ENABLE();

        __HAL_RCC_GPIOA_CLK_ENABLE();
        /**SPI1 GPIO Configuration
        PA1     ------> SPI1_SCK
        PA6     ------> SPI1_MISO
        PA12     ------> SPI1_MOSI
        */
        GPIO_InitStruct.Pin = GPIO_PIN_1 | GPIO_PIN_6 | GPIO_PIN_12;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
        GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        /* SPI1 DMA Init */
        /* SPI1_TX Init */
        hdma_spi1_tx.Instance = DMA1_Channel3;
        hdma_spi1_tx.Init.Request = DMA_REQUEST_1;
        hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
        hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_spi1_tx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_spi1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_spi1_tx.Init.Mode = DMA_CIRCULAR;
        hdma_spi1_tx.Init.Priority = DMA_PRIORITY_LOW;

        if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK)
        {
            Error_Handler();
        }

        __HAL_LINKDMA(spiHandle, hdmatx, hdma_spi1_tx);

        /* USER CODE BEGIN SPI1_MspInit 1 */

        /* USER CODE END SPI1_MspInit 1 */
    }
}

void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
{

    if(spiHandle->Instance == SPI1)
    {
        /* USER CODE BEGIN SPI1_MspDeInit 0 */

        /* USER CODE END SPI1_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_SPI1_CLK_DISABLE();

        /**SPI1 GPIO Configuration
        PA1     ------> SPI1_SCK
        PA6     ------> SPI1_MISO
        PA12     ------> SPI1_MOSI
        */
        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_6 | GPIO_PIN_12);

        /* SPI1 DMA DeInit */
        HAL_DMA_DeInit(spiHandle->hdmatx);
        /* USER CODE BEGIN SPI1_MspDeInit 1 */

        /* USER CODE END SPI1_MspDeInit 1 */
    }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
